PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/04-04:57:40
G01     124.6          11.8                5.3 +/-    2.09      14.3 +/-    2.09  0.040 / 0.040
G07     55.8           69.3                3.0 +/-    0.42       3.2 +/-    0.42  0.040 / 0.040
G08     50.3           39.3                3.7 +/-    0.70       5.4 +/-    0.70  0.100 / 0.310
G09     175.7          33.3                6.4 +/-    1.71      10.4 +/-    1.71  0.080 / 0.270
G11     121.2          36.5                6.5 +/-    0.56      10.0 +/-    0.56  0.070 / 0.120
G13     320.5          13.3                0.8 +/-    1.03       2.1 +/-    1.03  0.070 / 0.090
G17     199.4          14.9                4.6 +/-    1.04      11.5 +/-    1.04  0.040 / 0.040
G28     268.5          46.5                5.1 +/-    1.04       6.8 +/-    1.04  0.030 / 0.040
G30     328.9          58.5                3.1 +/-    0.58       3.6 +/-    0.58  0.060 / 0.090